a credit-card-type electronic card that contains a microprocessor programmed to perform various functions when inserted at a suitable terminal, the smart card resembles a credit card and has one or more embedded microcircuit chips that are programmable and intelligent with memory storage capabilities, Smart cards come in two varieties: memory cards and microprocessor cards . Memory cards simply store data and can be viewed as a small floppy disk with optional security. A microprocessor card, on the other hand, can add, delete and manipulate information in its memory on the card.